Update man page to include `format` flag.
Also, update Makefile to build man pages as a prerequisite for the
`build` target.
Fixes#557
Signed-off-by: Reagan Lopez <reagan.lopez@intel.com>
Update the man pages to reflect the latest content from the original content in
the .rst (ReST) documents.
Signed-off-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>